Gehman, J., Mastroianni, D., Grant, A., & Etzion, D. (2012). RESEARCH ARTICLE: An Analysis of Unconventional Gas Well Reporting under Pennsylvania's Act 13 of 2012. Environmental Practice, 14(4), 262. https://doi.org/10.1017/S1466046612000373
Παραπομπή σε μορφή Chicago (17η εκδ.)Gehman, Joel, Diego Mastroianni, Angela Grant, και Dror Etzion. "RESEARCH ARTICLE: An Analysis of Unconventional Gas Well Reporting Under Pennsylvania's Act 13 of 2012." Environmental Practice 14, no. 4 (2012): 262. https://doi.org/10.1017/S1466046612000373.
Παραπομπή σε μορφή MLA (9th εκδ.)Gehman, Joel, et al. "RESEARCH ARTICLE: An Analysis of Unconventional Gas Well Reporting Under Pennsylvania's Act 13 of 2012." Environmental Practice, vol. 14, no. 4, 2012, p. 262, https://doi.org/10.1017/S1466046612000373.